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c/antennasC@CHMail12 Aug 2026· edited

5G 780 MHz / 4G 806 MHz slow, location RHRO

Hello everyone Since Swisscom has unfortunately shown no ear for our concern so far and our part of the village has had significantly slower internet since approximately December 2025, despite a new antenna, I would like to post here in the forum again. The RHRO antenna was newly created by Swisscom at the end of 2025. Initially, there was great joy, as we could assume that the internet speed would improve as a result. Especially because the fiber optic expansion has not yet taken place here, we had high hopes for the new antenna (5G). Unfortunately, it seems that money was saved on the technical equipment of the antenna. Although frequencies in the range of 780 MHz to 3.6 GHz are approved, apparently only the lower bands, particularly 780 MHz and 806 MHz, are being used. Currently, the situation is unfortunately such that even everyday internet activities are tedious. WhatsApp status videos load very slowly, and videos on Instagram can partly no longer be watched comfortably. In some cases, we barely reach speeds of under 20 Mbit/s. Why are the approved higher frequency bands not also being used for the new antenna? Especially for the coverage area near an agglomeration, the current configuration does not seem to be sufficient. Here is the link to the Swisscom Community: https://community.swisscom.ch/de/d/867821-4g-5g-langsam-780-mhz-und-806-mhz-band-28-und-20-in-agglomeration
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10 comments
LeutrimShallti@LeutrimShallti12 Aug 2026
Hello CHMails, It is true that it's intriguing! In general, making a new installation without offering all the frequencies in a rather populated area is not very logical. But to accelerate deployment, it often happens that operators first make a simplified permit request, to then complete it with a second request. I will dig into the question and get back to you very quickly. My warm greetings,
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LeutrimShallti@LeutrimShallti4 d agoedited@LeutrimShallti
Hi @CHMail, I have received confirmation from Swisscom that they are well aware of the problem concerning this antenna. It is currently undergoing diagnosis since August 28. Feel free to confirm if the problem has been resolved or if it is still present 😊
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Flavio@Flavio15 Aug 2026
The ping is particularly high, it's strange. Maybe a problem on this site. Or a problem with the Swisscom subscription (throttling) but that would happen everywhere, not just on this antenna
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F@Fawi15 Aug 2026
First, thanks to everyone involved for the commitment! It is great that this opportunity exists! I have already written in the Swisscom forum. I checked 4G, which at least at my location provides no advantage but rather even worse bandwidths. The speed tests are sometimes even worse. I'm sticking with 5G. The reception itself is great, it even works in the underground garage, only the speed is poor. With Sunrise or before the activation of the Swisscom antenna, it was hopelessly bad, sometimes even outdoors. It is a great pity that the antenna does not support higher frequencies with more speed. Even with very good reception outdoors, not even 400m away from the antenna, 20-25Mbit is already very disappointing. It is incomprehensible to me why these frequencies are not used. Especially for the missing fiber optic connection (which will take several more years - currently planned for approx. 2029/2030 - but has already been postponed), this would have been an opportunity to provide reasonable bandwidths. After all, we are not on a mountain or totally remote. It is, after all, an agglomeration with many properties and also commercial businesses. All around there are various Swisscom antennas with high 5G bandwidth. As soon as you move just a few 100 meters away from the antenna and other antennas take over, the speed is massively better. I have done various measurements in the area, the difference is impressive. Perhaps there is someone from Swisscom reading along here who can chime in. Still regarding slow ping: My subscription is not throttled, I have also measured over 500Mbit at other locations. I will check the ping next week.
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C@CHMail18 Aug 2026edited
Thank you very much for your feedback. I am excited to see what further insights will emerge. Looking forward to your feedback. Many thanks to the other forum members and users of the network in Rohr who speak up and share their experiences. In my opinion, the more feedback is gathered, the better the situation can be assessed.
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F@Fawi19 Aug 2026
I did a few more tests today (yesterday). Today the values were particularly bad - despite very good reception outside, almost line-of-sight to the antenna, barely 400m away from it, I measured only 10-20Mbit with the smartphone. Interestingly, if I move only about 150m towards Aarau, i.e., on the same street, just slightly further away from the antenna (junction Hauptstrasse/Bibersteinerstrasse), I measured up to 639Mbit down and 68Mnit up today. I was able to reproduce this several times; although the values fluctuate greatly, they were always massively better than near the antenna. This gives me the impression that the antenna improves the reception itself, but thereby causes the smartphone to log into this antenna with the much poorer bandwidth. Unfortunately, I don't know enough about this yet, but I am surprised that the effect is so significant. I tried to find out which antenna my smartphone is logging into. I am not sure if I am looking at the right value - the app shows me PCI 473 when the connection is slow and PCI 288 when I was at the junction Hauptstrasse/Bibersteinerstrasse and the speed was much better. And yes, I tested with a Wingo subscription with the 5G Fullspeed option. Printscreen shows the location closer to the antenna with poor speed.
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C@CHMail20 Aug 2026edited
Indeed, I also noticed this coincidence yesterday evening. The transmission speed was strikingly low in some cases, even with a line-of-sight distance of only about 200 meters to the antenna.
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C@CHMail20 Aug 2026
Here, the coverage area of the antenna in the low-band is clearly recognizable. Even Biberstein is still within the corresponding coverage area. The Swisscom antenna is marked in grey.
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C@clapo21 Aug 2026
Do you know which bands your phone connects to?
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C@CHMail26 Aug 2026edited@clapo
Hello @clapo My smartphone covers the following bands / frequencies: FDD-5G NR (bands n1, n2, n3, n5, n7, n8, n12, n20, n25, n26, n28, n30, n66, n70, n75, n76) TDD-5G NR (bands n38, n40, n41, n48, n53, n77, n78, n79) FDD‑LTE (bands 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28, 30, 32, 66) TDD-LTE (bands 34, 38, 39, 40, 41, 42, 48, 53) UMTS/HSPA+/DC‑HSDPA (850, 900, 1.700/2.100, 1.900, 2.100 MHz) GSM/EDGE (850, 900, 1.800, 1.900 MHz) 5G (sub‑6 GHz) with 4x4 MIMO7 Gigabit LTE with 4x4 MIMO and LAA7 LG CHMail
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